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/*
* Copyright (C) 2005-2012 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "GUIRSSControl.h"
#include "GUIWindowManager.h"
#include "settings/GUISettings.h"
#include "threads/CriticalSection.h"
#include "threads/SingleLock.h"
#include "utils/RssReader.h"
#include "utils/StringUtils.h"
using namespace std;
CGUIRSSControl::CGUIRSSControl(int parentID, int controlID, float posX, float posY, float width, float height, const CLabelInfo& labelInfo, const CGUIInfoColor &channelColor, const CGUIInfoColor &headlineColor, CStdString& strRSSTags)
: CGUIControl(parentID, controlID, posX, posY, width, height),
m_scrollInfo(0,0,labelInfo.scrollSpeed,"")
{
m_label = labelInfo;
m_headlineColor = headlineColor;
m_channelColor = channelColor;
m_strRSSTags = strRSSTags;
m_pReader = NULL;
m_rtl = false;
m_stopped = false;
ControlType = GUICONTROL_RSS;
}
CGUIRSSControl::CGUIRSSControl(const CGUIRSSControl &from)
: CGUIControl(from),m_scrollInfo(from.m_scrollInfo)
{
m_label = from.m_label;
m_headlineColor = from.m_headlineColor;
m_channelColor = from.m_channelColor;
m_strRSSTags = from.m_strRSSTags;
m_pReader = NULL;
m_rtl = from.m_rtl;
m_stopped = from.m_stopped;
ControlType = GUICONTROL_RSS;
}
CGUIRSSControl::~CGUIRSSControl(void)
{
CSingleLock lock(m_criticalSection);
if (m_pReader)
m_pReader->SetObserver(NULL);
m_pReader = NULL;
}
void CGUIRSSControl::SetUrls(const vector<string> &vecUrl, bool rtl)
{
m_vecUrls = vecUrl;
m_rtl = rtl;
if (m_scrollInfo.pixelSpeed > 0 && rtl)
m_scrollInfo.pixelSpeed *= -1;
else if (m_scrollInfo.pixelSpeed < 0 && !rtl)
m_scrollInfo.pixelSpeed *= -1;
}
void CGUIRSSControl::OnFocus()
{
m_stopped = true;
}
void CGUIRSSControl::OnUnFocus()
{
m_stopped = false;
}
void CGUIRSSControl::SetIntervals(const vector<int>& vecIntervals)
{
m_vecIntervals = vecIntervals;
}
bool CGUIRSSControl::UpdateColors()
{
bool changed = CGUIControl::UpdateColors();
changed |= m_label.UpdateColors();
changed |= m_headlineColor.Update();
changed |= m_channelColor.Update();
return changed;
}
void CGUIRSSControl::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
// TODO Proper processing which marks when its actually changed. Just mark always for now.
MarkDirtyRegion();
CGUIControl::Process(currentTime, dirtyregions);
}
void CGUIRSSControl::Render()
{
// only render the control if they are enabled
if (g_guiSettings.GetBool("lookandfeel.enablerssfeeds") && g_rssManager.IsActive())
{
CSingleLock lock(m_criticalSection);
// Create RSS background/worker thread if needed
if (m_pReader == NULL)
{
if (g_rssManager.GetReader(GetID(), GetParentID(), this, m_pReader))
m_scrollInfo.characterPos = m_pReader->m_SavedScrollPos;
else
{
if (m_strRSSTags != "")
{
CStdStringArray vecSplitTags;
StringUtils::SplitString(m_strRSSTags, ",", vecSplitTags);
for (unsigned int i = 0;i < vecSplitTags.size();i++)
m_pReader->AddTag(vecSplitTags[i]);
}
// use half the width of the control as spacing between feeds, and double this between feed sets
float spaceWidth = (m_label.font) ? m_label.font->GetCharWidth(L' ') : 15;
m_pReader->Create(this, m_vecUrls, m_vecIntervals, (int)(0.5f*GetWidth() / spaceWidth) + 1, m_rtl);
}
}
if (m_label.font)
{
vecColors colors;
colors.push_back(m_label.textColor);
colors.push_back(m_headlineColor);
colors.push_back(m_channelColor);
if ( m_stopped )
m_scrollInfo.SetSpeed(0);
else
m_scrollInfo.SetSpeed(m_label.scrollSpeed);
m_label.font->DrawScrollingText(m_posX, m_posY, colors, m_label.shadowColor, m_feed, 0, m_width, m_scrollInfo);
}
if (m_pReader)
{
m_pReader->CheckForUpdates();
m_pReader->m_SavedScrollPos = m_scrollInfo.characterPos;
}
}
CGUIControl::Render();
}
CRect CGUIRSSControl::CalcRenderRegion() const
{
if (m_label.font)
return CRect(m_posX, m_posY, m_posX + m_width, m_posY + m_label.font->GetTextHeight(1));
return CGUIControl::CalcRenderRegion();
}
void CGUIRSSControl::OnFeedUpdate(const vecText &feed)
{
CSingleLock lock(m_criticalSection);
m_feed = feed;
}
void CGUIRSSControl::OnFeedRelease()
{
m_pReader = NULL;
}
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